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30636404 = 227659101
BaseRepresentation
bin111010011011…
…1100101110100
32010122111020122
41310313211310
530320331104
63012351112
7521255651
oct164674564
963574218
1030636404
1116325647
12a315498
136468866
1440d6c28
152a526be
hex1d37974

30636404 has 6 divisors (see below), whose sum is σ = 53613714. Its totient is φ = 15318200.

The previous prime is 30636343. The next prime is 30636427. The reversal of 30636404 is 40463603.

It can be written as a sum of positive squares in only one way, i.e., 20268004 + 10368400 = 4502^2 + 3220^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3829547 + ... + 3829554.

It is an arithmetic number, because the mean of its divisors is an integer number (8935619).

Almost surely, 230636404 is an apocalyptic number.

It is an amenable number.

30636404 is a deficient number, since it is larger than the sum of its proper divisors (22977310).

30636404 is a wasteful number, since it uses less digits than its factorization.

30636404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659105 (or 7659103 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 30636404 is about 5535.0161698047. The cubic root of 30636404 is about 312.9050670394.

The spelling of 30636404 in words is "thirty million, six hundred thirty-six thousand, four hundred four".

Divisors: 1 2 4 7659101 15318202 30636404